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Parameters of ion implantation before carburization.
| Sample | Implanted with La | Implanted with Y |
|---|---|---|
| Vacuum level (Pa) | 3.5 × 10−3 | 3.5 × 10−3 |
| Ion energy (Kev) | 100 | 105 |
| Implantation dose | 2 × 1017 ions/cm2 | 2 × 1017 ions/cm2 |
| Temperature (°C) | Room temperature | Room temperature |
| Element | La | Y |
